CNN anchor Soledad O’Brien was recently caught on screen looking at an article from a known left-wing website to assist her when debating Romney campaign senior adviser Barbara Comstock.

In screen grabs posted on Newsbusters.org, O’Brien, who was filling in Anderson Cooper, can be seen reading from a piece entitled “The Myth of Paul Ryan the Bipartisan Leader” as Comstock offers her response.

The post, which was published just hours before the program began, appeared on the website Talking Points Memo.

While she does not directly cite the blog, she does a read a quote from Sen. Ron Wyden (D-Or.) to Comstock that appears verbatim in the piece during the program.

Blogger Ali A. Akbar first posted about it on Viralread.com.

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On Tuesday, O’Brien and Mitt Romney surrogate John Sununu engaged in a heated debate over Medicare on “Starting Point,” where he told her, “Soledad, stop this! All you’re doing is mimicking the stuff that comes out of the White House and gets repeated on the Democratic blogs boards out there. Put an Obama bumper sticker on your forehead when you do this.”

O’Brien said her figures were from unbiased information from Factcheck.org, the CBO and CNN analysis.